29855353057 has 8 divisors (see below), whose sum is σ = 30900753000. Its totient is φ = 28811013504.

The previous prime is 29855353051. The next prime is 29855353081. The reversal of 29855353057 is 75035355892.

It can be written as a sum of positive squares in 4 ways, for example, as 8432932561 + 21422420496 = 91831^2 + 146364^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29855353057 - 2¹⁹ = 29854828769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29855352995 and 29855353013.

It is not an unprimeable number, because it can be changed into a prime (29855353051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207588 + ... + 320629.

It is an arithmetic number, because the mean of its divisors is an integer number (3862594125).

Almost surely, 2^29855353057 is an apocalyptic number.

It is an amenable number.

29855353057 is a deficient number, since it is larger than the sum of its proper divisors (1045399943).

29855353057 is a wasteful number, since it uses less digits than its factorization.

29855353057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530195.

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 29855353057 in words is "twenty-nine billion, eight hundred fifty-five million, three hundred fifty-three thousand, fifty-seven".